Drinking fountain



FIG. 1 is a perspective view of a first embodiment of a drinking fountain embodying the claimed ornamental design;

FIG. 2 is a front elevational view of the embodiment shown in FIG. 1;

FIG. 3 is a top plan view of the embodiment shown in FIG. 1;

FIG. 4 is a left elevational view of the embodiment shown in FIG. 1;

FIG. 5 is a right elevational view of the embodiment shown in FIG. 1;

FIG. 6 is a perspective view of a second embodiment of a drinking fountain embodying the claimed ornamental design;

FIG. 7 is a front elevational view of the embodiment shown in FIG. 6;

FIG. 8 is a perspective view of a third embodiment of drinking fountain embodying the claimed ornamental design; and,

FIG. 9 is a front elevational view of the embodiment shown in FIG. 8. 

I claim the ornamental design of a drinking fountain, as shown and described. 